Where: Dukes County, Massachusetts (41.3° N, 70.8° W: paleocoordinates 41.4° N, 67.7° W)

• coordinate stated in text

• hand sample-level geographic resolution

When: Miocene (23.0 - 5.3 Ma)

• The bed containing sporomorphs is 0.3-0.6 m thick and has been glacially dislocated.

Environment/lithology: marine; green sandstone

Size class: microfossils

Preservation: original sporopollenin

Collected by C. A. Kaye; reposited in the USGS

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

• Stored at the U.S. Geological Survey, Reston, Va.

Primary reference: N. O. Frederiksen. 1984. Stratigraphic, Paleoclimatic, and Paleobiogeographic Significance of Tertiary Sporomorphs from Massachusetts. Geological Survey Professional Paper 1308:1-35 [P. Jardine/H. Morck/H. Morck]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 231825: authorized by Phillip Jardine, entered by Hannah Morck on 18.09.2023

Creative Commons license: CC BY (attribution)